# Question

a. Suppose that the standard deviation of a population with N = 10,000 members is 500. Determine the standard error of the sampling distribution of the mean when the sample size is 1,000.

b. Repeat part (a) when n = 500.

c. Repeat part (a) when n = 100.

b. Repeat part (a) when n = 500.

c. Repeat part (a) when n = 100.

## Answer to relevant Questions

The heights of North American women are normally distributed with a mean of 64 inches and a standard deviation of 2 inches.a. What is the probability that a randomly selected woman is taller than 66 inches?b. A random sample ...The amount of time spent by North American adults watching television per day is normally distributed with a mean of 6 hours and a standard deviation of 1.5 hours.a. What is the probability that a randomly selected North ...a. In a binomial experiment with n = 300 and p = .5, find the probability that P̂ is greater than 60%.b. Repeat part (a) with p = .55.c. Repeat part (a) with p = .6A commercial for a manufacturer of household appliances claims that 3% of all its products require a service call in the first year. A consumer protection association wants to check the claim by surveying 400 households that ...Suppose that we have two normal populations with the means and standard deviations listed here. If random samples of size 25 are drawn from each population, what is the probability that the mean of sample 1 is greater than ...Post your question

0